BulkResizeImages

BulkResizeImages is a free online tool that enables batch resizing, compression, and optimization of images directly in the browser.

• Supports JPEG, JPG, PNG, WebP, SVG, AVIF, GIF, APNG, HEIC, HEIF formats.
• Processes images locally using WebAssembly and multi‑threaded web workers for high performance.
• Utilizes Lanczos3 resampling via the Pica library for professional quality.
• No uploads, no sign‑up, 100% privacy – data never leaves your device.
• Unlimited free usage with no watermarks or restrictions.